diff --git a/code/base-project/base-vue/packages/ao-design/src/components.ts b/code/base-project/base-vue/packages/ao-design/src/components.ts
index ae7f8470..4aa64b43 100644
--- a/code/base-project/base-vue/packages/ao-design/src/components.ts
+++ b/code/base-project/base-vue/packages/ao-design/src/components.ts
@@ -6,6 +6,7 @@ export { default as Drawer } from './drawer'
 export { default as Group } from './group'
 export { default as Icon } from './icon'
 export { default as Input } from './input'
+export { default as Modal } from './modal'
 export { default as Popconfirm } from './popconfirm'
 export { default as Popup } from './popup'
 export { default as Radio } from './radio/radio'
diff --git a/code/base-project/base-vue/packages/ao-design/src/index.scss b/code/base-project/base-vue/packages/ao-design/src/index.scss
index 55978e97..6e9b9d97 100644
--- a/code/base-project/base-vue/packages/ao-design/src/index.scss
+++ b/code/base-project/base-vue/packages/ao-design/src/index.scss
@@ -19,6 +19,7 @@
 @use './checkbox/index.scss' as *;
 @use './switch/index.scss' as *;
 @use './spin/index.scss' as *;
+@use './modal/index.scss' as *;
 
 [class*='#{variables.$prefix}-'] {
   -webkit-box-sizing: border-box;
diff --git a/code/base-project/base-vue/packages/ao-design/src/modal/index.scss b/code/base-project/base-vue/packages/ao-design/src/modal/index.scss
new file mode 100644
index 00000000..d5b3428b
--- /dev/null
+++ b/code/base-project/base-vue/packages/ao-design/src/modal/index.scss
@@ -0,0 +1,67 @@
+@use '../_styles/_variables.scss' as *;
+
+$modal-prefix: '#{$prefix}-modal';
+
+.#{$modal-prefix}-wrapper {
+  position: fixed;
+  inset: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+}
+
+.#{$modal-prefix}-mask {
+  position: absolute;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.45);
+}
+
+.#{$modal-prefix} {
+  position: relative;
+  z-index: 1001;
+  background: #fff;
+  border-radius: 8px;
+  min-width: 300px;
+  max-width: 90%;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.#{$modal-prefix}-header {
+  padding: 12px 16px;
+  font-weight: 600;
+  border-bottom: 1px solid #eee;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.#{$modal-prefix}-close {
+  border: none;
+  background: transparent;
+  font-size: 18px;
+  cursor: pointer;
+}
+
+.#{$modal-prefix}-body {
+  padding: 16px;
+}
+
+.#{$modal-prefix}-footer {
+  padding: 12px 16px;
+  border-top: 1px solid #eee;
+  text-align: right;
+}
+
+.#{$modal-prefix}-fade-enter-active,
+.#{$modal-prefix}-fade-leave-active {
+  transition: opacity 0.2s ease;
+}
+
+.#{$modal-prefix}-fade-enter-from,
+.#{$modal-prefix}-fade-leave-to {
+  opacity: 0;
+}
diff --git a/code/base-project/base-vue/packages/ao-design/src/modal/index.tsx b/code/base-project/base-vue/packages/ao-design/src/modal/index.tsx
new file mode 100644
index 00000000..ff95c6fa
--- /dev/null
+++ b/code/base-project/base-vue/packages/ao-design/src/modal/index.tsx
@@ -0,0 +1,85 @@
+import { defineComponent, ref, Teleport, Transition, watch } from 'vue'
+import { getPrefixCls } from '../_utils/getPrefixCls'
+import { addModal, getMaskZIndex, removeModal } from './modalManager'
+
+export default defineComponent({
+  name: 'Modal',
+  props: {
+    visible: { type: Boolean, default: false },
+    mask: { type: Boolean, default: true },
+    maskClosable: { type: Boolean, default: true },
+    class: { type: [String, Array, Object], default: '' },
+    style: { type: Object, default: () => ({}) },
+    lazy: { type: Boolean, default: true }, // 是否懒加载
+  },
+  emits: ['update:visible', 'close'],
+  setup(props, { slots, emit }) {
+    const prefixCls = getPrefixCls('modal')
+    const zIndex = ref(0)
+    const isMounted = ref(false) // DOM 是否挂载
+
+    // 打开 Modal
+    const openModal = () => {
+      zIndex.value = addModal()
+      isMounted.value = true
+    }
+
+    // 关闭 Modal
+    const closeModal = () => {
+      removeModal(zIndex.value)
+      zIndex.value = 0
+      // 不卸载 DOM，仍保持 isMounted = true
+    }
+
+    watch(
+      () => props.visible,
+      (val) => {
+        if (val)
+          openModal()
+        else closeModal()
+      },
+      { immediate: true },
+    )
+
+    const handleMaskClick = () => {
+      if (props.maskClosable) {
+        emit('update:visible', false)
+        emit('close')
+      }
+    }
+
+    const handleClose = () => {
+      emit('update:visible', false)
+      emit('close')
+    }
+
+    return () => (
+      <Teleport to="body">
+        {/* DOM 永远挂载，只用 v-show 控制显示 */}
+        <div
+          class={`${prefixCls}-wrapper`}
+          style={{
+            zIndex: zIndex.value,
+            display: props.visible ? 'flex' : 'none',
+          }}
+        >
+          {props.mask && (
+            <div
+              class={`${prefixCls}-mask`}
+              style={{ zIndex: getMaskZIndex() }}
+              onClick={handleMaskClick}
+            />
+          )}
+          <div class={[prefixCls, props.class]} style={{ ...props.style, zIndex: zIndex.value }}>
+            <div class={`${prefixCls}-header`}>
+              <span class={`${prefixCls}-title`}>{slots.title?.()}</span>
+              <button class={`${prefixCls}-close`} onClick={handleClose}>×</button>
+            </div>
+            <div class={`${prefixCls}-body`}>{slots.default?.()}</div>
+            {slots.footer && <div class={`${prefixCls}-footer`}>{slots.footer()}</div>}
+          </div>
+        </div>
+      </Teleport>
+    )
+  },
+})
diff --git a/code/base-project/base-vue/packages/ao-design/src/modal/modalManager.ts b/code/base-project/base-vue/packages/ao-design/src/modal/modalManager.ts
new file mode 100644
index 00000000..00cefc27
--- /dev/null
+++ b/code/base-project/base-vue/packages/ao-design/src/modal/modalManager.ts
@@ -0,0 +1,31 @@
+let zIndexBase = 1000
+const modalStack: number[] = [] // 当前打开的 Modal zIndex
+const freeZIndex: number[] = [] // 已关闭 Modal 可复用 zIndex
+
+export function addModal() {
+  let zIndex: number
+  if (freeZIndex.length > 0) {
+    zIndex = freeZIndex.pop()!
+  }
+  else {
+    zIndex = ++zIndexBase
+  }
+  modalStack.push(zIndex)
+  return zIndex
+}
+
+export function removeModal(zIndex: number) {
+  const idx = modalStack.indexOf(zIndex)
+  if (idx !== -1) {
+    modalStack.splice(idx, 1)
+    freeZIndex.push(zIndex) // 回收 zIndex
+  }
+}
+
+export function getTopZIndex() {
+  return modalStack.length > 0 ? modalStack[modalStack.length - 1] : zIndexBase
+}
+
+export function getMaskZIndex() {
+  return modalStack.length > 0 ? modalStack[modalStack.length - 1] - 1 : zIndexBase
+}
diff --git a/code/base-project/base-vue/packages/ao-design/src/switch/index.tsx b/code/base-project/base-vue/packages/ao-design/src/switch/index.tsx
index 3a8d31ea..7ddcbb38 100644
--- a/code/base-project/base-vue/packages/ao-design/src/switch/index.tsx
+++ b/code/base-project/base-vue/packages/ao-design/src/switch/index.tsx
@@ -31,10 +31,14 @@ export default defineComponent({
       type: Boolean,
       default: false,
     },
+
     loading: {
       type: Boolean,
       default: false,
     },
+    beforeConfirm: {
+      type: Function as PropType<() => boolean | Promise<boolean>>,
+    },
     class: {
       type: [String, Array, Object],
       default: '',
@@ -48,22 +52,44 @@ export default defineComponent({
   setup(props, { emit, slots }) {
     const prefixCls = getPrefixCls('switch')
 
+    const _loading = ref(false)
     const _checked = ref(props.modelValue)
 
+    const isLoading = computed(() => props.loading || _loading.value)
+
     watch(
       () => props.modelValue,
       (val) => {
         _checked.value = val
       },
     )
+
     const isChecked = computed(() => _checked.value === props.checkedValue)
 
-    const toggle = (e: Event) => {
-      const newValue = isChecked.value ? props.uncheckedValue : props.checkedValue
-      _checked.value = newValue
+    const toggle = async (e: Event) => {
+      if (props.disabled || isLoading.value)
+        return
 
-      emit('update:modelValue', newValue)
-      emit('change', newValue, e)
+      _loading.value = true
+      let allow = true
+
+      if (props.beforeConfirm) {
+        try {
+          allow = await Promise.resolve(props.beforeConfirm())
+        }
+        catch {
+          allow = false
+        }
+      }
+
+      if (allow) {
+        const newValue = isChecked.value ? props.uncheckedValue : props.checkedValue
+        _checked.value = newValue
+        emit('update:modelValue', newValue)
+        emit('change', newValue, e)
+      }
+
+      _loading.value = false
     }
 
     const displayContent = computed(() => {
@@ -96,13 +122,13 @@ export default defineComponent({
           {
             [`${prefixCls}-checked`]: isChecked.value,
             [`${prefixCls}-disabled`]: props.disabled,
-            [`${prefixCls}-loading`]: props.loading,
+            [`${prefixCls}-loading`]: isLoading.value,
           },
         ]}
         onClick={toggle}
       >
         <span class={`${prefixCls}-handle`}>
-          {props.loading && <Spin loading size={12} />}
+          {isLoading.value && <Spin loading size={12} />}
         </span>
         <span class={`${prefixCls}-text-holder`}>{displayContent.value}</span>
         <span class={`${prefixCls}-text`}>{displayContent.value}</span>
diff --git a/code/base-project/base-vue/src/App.vue b/code/base-project/base-vue/src/App.vue
index 8063e42d..be15aacd 100644
--- a/code/base-project/base-vue/src/App.vue
+++ b/code/base-project/base-vue/src/App.vue
@@ -1,24 +1,58 @@
 <script setup lang="ts">
 import { ref } from 'vue'
 
-const value = ref('')
+const AModal1Visible = ref(false)
+const AModal2Visible = ref(false)
+const AModal3Visible = ref(false)
 </script>
 
 <template>
-  <div class="main">
-    <ASwitch v-model="value" loading checked-value="1" unchecked-value="2" checked-content="1" unchecked-content="2" />
-    {{ value }}
-  </div>
-</template>
+  <button @click="AModal1Visible = true">
+    打开第 1 个 AModal
+  </button>
 
-<style lang="scss" scoped>
-.main {
-  width: 100%;
-  height: 800px;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  flex-direction: column;
-  gap: 16px;
-}
-</style>
+  <!-- 第 1 个 AModal -->
+  <AModal v-model:visible="AModal1Visible" mask-closable>
+    <template #title>
+      第 1 个 AModal
+    </template>
+    <p>这是第 1 个弹窗内容</p>
+    <template #footer>
+      <button @click="AModal2Visible = true">
+        打开第 2 个 AModal
+      </button>
+      <button @click="AModal1Visible = false">
+        关闭
+      </button>
+    </template>
+  </AModal>
+
+  <!-- 第 2 个 AModal -->
+  <AModal v-model:visible="AModal2Visible" mask-closable>
+    <template #title>
+      第 2 个 AModal
+    </template>
+    <p>这是第 2 个弹窗内容</p>
+    <template #footer>
+      <button @click="AModal3Visible = true">
+        打开第 3 个 AModal
+      </button>
+      <button @click="AModal2Visible = false">
+        关闭
+      </button>
+    </template>
+  </AModal>
+
+  <!-- 第 3 个 AModal -->
+  <AModal v-model:visible="AModal3Visible" mask-closable>
+    <template #title>
+      第 3 个 AModal
+    </template>
+    <p>这是第 3 个弹窗内容</p>
+    <template #footer>
+      <button @click="AModal3Visible = false">
+        关闭
+      </button>
+    </template>
+  </AModal>
+</template>
diff --git a/code/base-project/base-vue/src/components.d.ts b/code/base-project/base-vue/src/components.d.ts
index 012e7f17..a14b26fc 100644
--- a/code/base-project/base-vue/src/components.d.ts
+++ b/code/base-project/base-vue/src/components.d.ts
@@ -18,6 +18,7 @@ declare module 'vue' {
     AInput: typeof import('@ao/ao-design')['Input']
     ALoading: typeof import('@ao/ao-design')['Loading']
     AMessage: typeof import('@ao/ao-design')['Message']
+    AModal: typeof import('@ao/ao-design')['Modal']
     APopconfirm: typeof import('@ao/ao-design')['Popconfirm']
     APopup: typeof import('@ao/ao-design')['Popup']
     ARadio: typeof import('@ao/ao-design')['Radio']
diff --git a/code/base-project/base-vue/test.html b/code/base-project/base-vue/test.html
index 784b7862..dcf6d501 100644
--- a/code/base-project/base-vue/test.html
+++ b/code/base-project/base-vue/test.html
@@ -1,64 +1,73 @@
-# 驰诺国际货运有限公司
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Dialog Multi-Level Demo</title>
+    <style>
+      dialog {
+        border: none;
+        border-radius: 8px;
+        padding: 20px;
+        width: 300px;
+        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
+      }
+     
+    </style>
+  </head>
+  <body>
+    <button id="openFirst">打开第一个弹窗</button>
 
-<div style="text-align: center">订舱委托书</div>
+    <div class="dialog-wrapper" id="wrapper1" style="display: none">
+      <div class="backdrop"></div>
+      <dialog id="dialog1">
+        <p>这是第一个弹窗</p>
+        <button id="openSecond">打开第二个弹窗</button>
+        <button id="closeFirst">关闭</button>
+      </dialog>
+    </div>
 
-公司编号：CNNYYY230108
+    <div class="dialog-wrapper" id="wrapper2" style="display: none">
+      <div class="backdrop"></div>
+      <dialog id="dialog2">
+        <p>这是第二个弹窗</p>
+        <button id="closeSecond">关闭</button>
+      </dialog>
+    </div>
 
-<div style="text-align: center">
-  <table border="1">
-    <tbody>
-      <tr>
-        <td colspan="3">
-          发货人 JIANGXIARTSENCHEMICALCO.,LTD SULPHUR&PHOSPHORUS CHEMICAL BASE GUIXI,JIANGXI,P.R.CHINA
-        </td>
-      </tr>
-      <tr>
-        <td colspan="3">
-          收货人 ARTSEN?CHEMICAL?AMERICA?LLC 19?LOVELAND?STREET MADISON,?NJ?07940 T:?908-419-0704??F:973-520-8290
-          ATTN:?WALTER?CHENG
-        </td>
-      </tr>
-      <tr>
-        <td colspan="3">
-          通知人 ARTSEN?CHEMICAL?AMERICA?LLC 19?LOVELAND?STREET MADISON,?NJ?07940 T:?908-419-0704??F:973-520-8290
-          ATTN:?WALTER?CHENG
-        </td>
-      </tr>
-      <tr>
-        <td>船公司</td>
-        <td>船期 2023/01/20</td>
-        <td>航名／航次 XIN DA YANG ZHOU 086E</td>
-      </tr>
-      <tr>
-        <td>起运港 NINGBO, CHINA</td>
-        <td colspan="2">目的港 HOUSTON</td>
-      </tr>
-    </tbody>
-  </table>
-</div>
+    <script>
+      const openFirstBtn = document.getElementById('openFirst')
+      const dialog1 = document.getElementById('dialog1')
+      const wrapper1 = document.getElementById('wrapper1')
+      const openSecondBtn = document.getElementById('openSecond')
+      const dialog2 = document.getElementById('dialog2')
+      const wrapper2 = document.getElementById('wrapper2')
+      const closeFirstBtn = document.getElementById('closeFirst')
+      const closeSecondBtn = document.getElementById('closeSecond')
 
-<div style="text-align: center">
-  <table border="1">
-    <tbody>
-      <tr>
-        <td rowspan="3">唛头：NOMARK</td>
-        <td>TOTAL:</td>
-        <td>1</td>
-        <td></td>
-        <td>18000.00</td>
-        <td>30.00</td>
-      </tr>
-      <tr>
-        <td colspan="5">箱量：1X20'TKFCL</td>
-      </tr>
-      <tr>
-        <td colspan="5">运输条款：FREIGHTPREPAID</td>
-      </tr>
-      <tr>
-        <td colspan="6">备注：</td>
-      </tr>
-    </tbody>
-  </table>
-</div>
+      // 打开第一个弹窗
+      openFirstBtn.addEventListener('click', () => {
+        wrapper1.style.display = 'block'
+        dialog1.show() // 注意：这里用 show() 而不是 showModal()
+      })
 
-联系人：裘珊珊电话：0574-87237893QQ:1597608137传真：0574-87135310宁波市海曙区药行街42号银亿环球中心B座24楼
+      // 打开第二个弹窗
+      openSecondBtn.addEventListener('click', () => {
+        wrapper2.style.display = 'block'
+        dialog2.show() // 用 show() 避免冲突
+      })
+
+      // 关闭第一个弹窗
+      closeFirstBtn.addEventListener('click', () => {
+        dialog1.close()
+        wrapper1.style.display = 'none'
+      })
+
+      // 关闭第二个弹窗
+      closeSecondBtn.addEventListener('click', () => {
+        dialog2.close()
+        wrapper2.style.display = 'none'
+      })
+    </script>
+  </body>
+</html>